Epoxy hars

Two-component liquid Epoxy (liquid + hardener) for the imbedding of hard to very hard specimens. Depending on the used hardener, XH40 or XH45, different time and hardening

Specific characteristics XH40

- viscosity at 25°C: 400 ~ 500mPa.s

- mixing by weight ratio: 100 / 13

- hardening time at 25°C: ± 12 hours

- exothermic peak: 75°C

- hardness shore D after hardening: 75

- transparent

- virtually no shrinkage

- very good adhesion

- very good resistance to abrasion

- can be used for the impregnation under vacuum

- very good for grinding and polishing

- refractive index: 1.57

- low viscosity, suitable for embedding in a vacuum

Specific characteristics AKA-Epoxy

- can be mixed with either the Aka-Cure Slow or Aka-Cure Quick hardener, depending on the requirements.

- both have very good adhesion to the sample, which helps to provide the best possible edge retention.

- can also be used for vacuum impregnation of fragile and porous samples like ceramics and plasma spray coatings.

- epoxy resin and hardeners available separately, not as a kit, to make it easy to use either hardener with the resin.

- epoxies require good precision when mixing the two components. It can be measured by volume, but weighing is much more precise and the recommended method.

- ship with 2 reusable mixing cups and 25 wooden mixing pins for easy mixing the resin.

Aka-Cure, Slow

- mixing ratio: 100 g of resin for 12 g of Aka-Cure Slow or 100 parts of resin for 13.5 parts of Aka-Cure Slow.

- curing time: 8~24 hours @ 20°C.

- long pot life and low peak temperature, suitable for both vacuum impregnation and mounting of heat sensitive samples.

- not suitable for large mounts due to excessive exothermal reaction.

- very limited shrinkage.

Aka-Cure, Quick

- mixing ratio: 100 g of resin for 26.3 g of Aka-Cure Quick or 100 parts of resin for 30 parts of Aka-Cure Quick.

- curing time

* solution 1: 30 min when heated to 80°C with peak temperatures up to 200°C.

* solution 2: very large mounts can be made using a 2 cycle curing schedule. First the mount is cured without heating in 8 hours, followed by a 1 h cycle @ 100°C.

- for very hard, transparent mounts (without vacuum).

- limited shrinkage.